Late Quaternary lake and swamp sediments: Recorders of climate and environment

SALLY P. HORN “The bottoms of the lakes and their borders, where they could be observed, are covered with sandy and stony sediment, and in some areas the process of infilling was noted; with time these lakes will be converted to peatlands.” R. Weyl: Vestigios de una Glaciación del Pleistoceno en la Cordillera de Talamanca, Costa Rica, A.C. Informe Semestral Julio-Setiembre, 1955.